package org.tinygroup.ansjanalyzer;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;

import org.ansj.domain.Term;

public abstract class AbstractTokenStreamWrapper implements TokenStreamWrapper{

    private int p = -1;
    private List<Term> termList = null;
    
    public AbstractTokenStreamWrapper(Reader input) throws IOException {
    	BufferedReader reader = null;
    	try{
    		reader = new BufferedReader(input);
    		String line = null;
    		termList = new ArrayList<Term>();
    		while ((line = reader.readLine()) != null) {
    			termList.addAll(parse(line));
    		}
    	}finally{
    		if(reader!=null){
    		   reader.close();	
    		}
    	}
    }
    
	public void reset() throws IOException {
		p = -1;
	}

	public Term next() throws IOException {
		p++;
		if(p<termList.size()){
		   return termList.get(p);
		}
		return null;
	}

}
